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发明名称
Fernsprechanlage, in welcher Leitungen verschiedener Länge und Charakteristik zusammengeschaltet werden.
摘要
申请公布号
CH155949(A)
申请公布日期
1932.07.15
申请号
CHD155949
申请日期
1931.03.11
申请人
SIEMENS & HALSKE AKTIENGESELLSCHAFT
发明人
AKTIENGESELLSCHAFT SIEMENS & HALSKE
分类号
主分类号
代理机构
代理人
主权项
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